Distribution characteristic of arsenic in quaternary sediment mineral in Dan Phuong, Ha Noi

https://tapchi.humg.edu.vn/en/archives?article=1058
  • Affiliations:

    1 Khoa Khoa học và Kỹ thuật Địa chất - Trường Đại học Mỏ Địa chất, Việt Nam;
    2 Khoa Địa chất - Trường Đại học Khoa học Tự nhiên, Việt Nam;
    3 Khoa Tài nguyên nước - Đại học Tài nguyên và Môi trường, Việt Nam;
    4 Cục Địa Chất Đan Mạch, Đan Mạch

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  • Received: 15th-Jan-2018
  • Revised: 5th-Apr-2018
  • Accepted: 30th-June-2018
  • Online: 30th-June-2018
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Abstract:

Groundwater is the main source of supply water in Red River Delta, however there is high concentration of arsenic in groundwater up to 3-500g/L. This contamination came from variables source. This research aims to evaluate the distribution characteristic of arsenic in Quaternary sediment mineral in Dan Phuong. This is also as a base for determining the origin of arsenic contamination in groundwater. The methods used in this research include undisturbed sediment sampling during drilling, grain size analysis, using microscopy to separate mineral group and analysis arsenic concentration in mineral groups. The results show that concentration of arsenic in Biotite group mineral and rock fragments is much higher than the average concentration of arsenic in Earth’s crust, and much higher than concentration of arsenic in chlorite, fenspat, muscovite and mafic mineral group.

How to Cite
Tran, L.Vu, Tran, L.Thi, Tran, N., Pham, N.Quy and Flemming, L. 2018. Distribution characteristic of arsenic in quaternary sediment mineral in Dan Phuong, Ha Noi (in Vietnamese). Journal of Mining and Earth Sciences. 59, 3 (Jun, 2018).